Finding the Third Proportional to 64,200 and 154,663.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,200 : 154,663.50 = 154,663.50 : x
2. Step 2: Convert to fraction form
   64,200/154,663.50 = 154,663.50/x
3. Step 3: Cross multiply
   64,200x = 154,663.50 × 154,663.50
4. Step 4: Simplify right side
   64,200x = 23,920,798,232.25
5. Step 5: Solve for x
   x = 23,920,798,232.25/64,200
6. Step 6: Final answer
   x = 372,598.10